Method for starting a continuous steam generator

Details Method for starting a continuous steam generator Method for starting a continuous steam generator

F - Mech Eng,Light,Heat,Weapons

01

K

F01K 13/02 (2006.01) F22B 35/14 (2006.01)

Patent

CA 2715533

The invention relates to a method for starting a continuous steam generator (1) comprising a combustion chamber (8) provided with a plurality of burners (7), a water-steam separation device (14) that is mounted downstream of the evaporator tubes thereof (12) on the flow-medium side. The amount of water flowing into the water-steam separation device (14) during the starting process is kept to a minimum so that the water-steam separation device and water supply device (14) can be compact and at the same time ensuring that the evaporator tubes (12) are cooled sufficiently. The firing power of at least one of the burners (7) is adjusted in accordance with a filling level characteristic value of the water-steam separation device (14).

L'invention concerne un procédé de mise en marche d'un générateur de vapeur à fonctionnement continu (1) comportant une chambre de combustion (8) dotée d'une pluralité de brûleurs (7), un dispositif de séparation eau-vapeur (14) étant monté en aval des tubes de vaporisation (12) de la chambre, côté milieu d'écoulement. Selon l'invention, la quantité d'eau pénétrant dans le dispositif de séparation eau-vapeur (14) lors de la mise en marche doit rester faible, de façon à réduire les dimensions du dispositif de séparation eau-vapeur et du dispositif d'évacuation d'eau (14), tout en assurant un refroidissement suffisant des tubes de vaporisation (12). À cet effet, la puissance de chauffe d'au moins un des brûleurs (7) est réglée en fonction d'une caractéristique du niveau de remplissage du dispositif de séparation eau-vapeur (14).

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